On Wed, Nov 26, 2014 at 10:09 AM, Renlin Li <renlin...@arm.com> wrote: > On 26/11/14 12:16, H.J. Lu wrote: >> >> On Wed, Nov 26, 2014 at 4:07 AM, Renlin Li <renlin...@arm.com> wrote: >>> >>> On 20/11/14 16:17, Renlin Li wrote: >>>> >>>> Hi all, >>>> >>>> This is a backport for gcc-4_9-branch of the patch "[PR63762]GCC >>>> generates >>>> UNPREDICTABLE STR with Rn = Rt for arm" posted in: >>>> https://gcc.gnu.org/ml/gcc-patches/2014-11/msg02253.html >>>> >>>> arm-none-eabi has been test on the model, no new issues. bootstrapping >>>> and >>>> regression tested on x86, no new issues. >>>> >>>> Is it Okay for gcc-4_9-branch? >>>> >>>> gcc/ChangeLog: >>>> >>>> 2014-11-20 Renlin Li <renlin...@arm.com> >>>> >>>> PR middle-end/63762 >>>> * ira.c (ira): Update preferred class. >>>> >>>> gcc/testsuite/ChangeLog: >>>> >>>> 2014-11-20 Renlin Li <renlin...@arm.com> >>>> >>>> PR middle-end/63762 >>>> * gcc.dg/pr63762.c: New. >>> >>> Ping for it. >>> >> Please verify if it is the real fix for >> >> https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63661 >> >> If yes, please add a testcase for PR 63661 and mention it in >> your ChangeLog entry. >> >> Thanks. >> >> > Hi H.J. > > Yes, I have verified that, this patch additionally fixes PR 63661. > > I observed the same behaviour as I saw on arm backend. It will be great if > you can double check they are caused by exactly the same reason.
I will ask our people to take a look. > > > A new testcase has been added, ChangeLog has been updated to reflect the > change. Updated patch has bee attached. > Okay for gcc-4_9-branch? > > Regards, > Renlin Li > > > gcc/ChangeLog: > > 2014-11-26 Renlin Li <renlin...@arm.com> > > PR middle-end/63762 > PR middle-end/63661 > * ira.c (ira): Update preferred class. > > gcc/testsuite/ChangeLog: > > 2014-11-26 Renlin Li <renlin...@arm.com> > > PR middle-end/63661 > PR middle-end/63762 > * testsuite/gcc.dg/pr63661.c: New. > * testsuite/gcc.dg/pr63762.c: New. > > pr63661.c should be moved to gcc.target/i386 and run it on PIC target. Thanks. -- H.J.
